Research Articles

• Uncertain or disappeared phanerogamic species from Romania (III)

  Denes PAZMANY, I. MOLDOVAN, Doina STANA

  69-84

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• New and rare taxons of Cormophytes from Cluj-Napoca and environs

  I. TUCRA

  85-91

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• Deschampsia caespitosa (L.) Beauv control by herbicides on mountain pastures

  Magdalena SZAKACS-NAGY, Ioan ROTAR

  93-97

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• The position of agricultural ecosystems among the ecosystems of contemporary biosphere and their productivity

  Ioan PUIA, Vasile SORAN, Eugenia CHIRCA

  99-108

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• Research concerning the biology of Cnicus benedictus L. species

  Leon Sorin MUNTEAN, Alexandru SALONTAI, Mircea TAMAS, Constantin BOTEZ, Solovastru CERNEA, Gavrila MORAR, Felicia VAIDA, Maria PARV

  109-114

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• The nature and the content of carotenoid pigments from faded leaves of Aesculus hippocastanum L.

  Gino ROSCA, Sanda CRAPATUREANU, Carmen SOCACIU, Gavrila NEAMTU

  115-123

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